Chrysler 300M 1999 Manual page 613

TEST 11C
REPAIRING INOPERATIVE HORN CHIRP
Perform TEST 11A Before Proceeding
START TEST 11C.
USING THE DRB
SELECT "BODY
COMPUTER" THEN
"MISCELLANEOUS".
USING THE DRB,
ACTUATE THE HORN
RELAY.
REMOVE THE BODY
CONTROL MODULE FROM
THE JUNCTION BLOCK.
SEE GENERAL INFO 4.0
MOMMENTARILY
CONNECT A JUMPER
WIRE FROM THE...
*Perform Verification TEST VER-2A.
PUSH THE HORN
BUTTON ON THE
STEERING WHEEL.
OBSERVE THE HORN
CHIRP STATUS.
INSPECT THE 20-WAY
INTERNAL CONNECTOR
FOR DAMAGE.
FIG. 1
HORN RELAY CONTROL
CKT (CAVITY 18) TO
GROUND.
FIG. 1
**Check connectors - Clean / repair as necessary.
603
DOES THE HORN NO
SOUND?
YES
DOES THE DRB
DISPLAY YES
"HORN CHIRP:
DISABLED"?
NO
DID THE HORN SOUND YES
DURING ACTUATION?
NO
ARE ANY TERMINALS YES
DAMAGED?
NO
DID THE HORN YES
SOUND?
NO
USE THE
APPROPRIATE
SERVICE MANUAL
AND REPAIR THE
HORN SYSTEM.
USE THE DRB TO
ENABLE HORN
CHIRP.*
REPLACE THE BODY
CONTROL MODULE TO
CORRECT HORN CHIRP
INOPERATIVE.*
REPAIR OR REPLACE
THE JUNCTION BLOCK
AS NECESSARY.*
REPLACE THE BODY
CONTROL MODULE.*
REPLACE THE
JUNCTION BLOCK.*
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